Base | Representation |
---|---|
bin | 101000100011100… |
… | …001100011010011 |
3 | 1202102021221212000 |
4 | 220203201203103 |
5 | 2343140313412 |
6 | 151303205043 |
7 | 22601212461 |
oct | 5043414323 |
9 | 1672257760 |
10 | 680401107 |
11 | 31a083471 |
12 | 16ba46783 |
13 | aac69709 |
14 | 66515831 |
15 | 3eb004dc |
hex | 288e18d3 |
680401107 has 8 divisors (see below), whose sum is σ = 1008001680. Its totient is φ = 453600720.
The previous prime is 680401097. The next prime is 680401133. The reversal of 680401107 is 701104086.
It is a happy number.
It is not a de Polignac number, because 680401107 - 214 = 680384723 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 25200041 = 680401107 / (6 + 8 + 0 + 4 + 0 + 1 + 1 + 0 + 7).
It is not an unprimeable number, because it can be changed into a prime (680401207) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12599994 + ... + 12600047.
It is an arithmetic number, because the mean of its divisors is an integer number (126000210).
Almost surely, 2680401107 is an apocalyptic number.
680401107 is a deficient number, since it is larger than the sum of its proper divisors (327600573).
680401107 is a wasteful number, since it uses less digits than its factorization.
680401107 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 25200050 (or 25200044 counting only the distinct ones).
The product of its (nonzero) digits is 1344, while the sum is 27.
The square root of 680401107 is about 26084.4993626483. The cubic root of 680401107 is about 879.5388023250.
The spelling of 680401107 in words is "six hundred eighty million, four hundred one thousand, one hundred seven".
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